EP1093890B1 - Setzgerät für Befestigungselemente - Google Patents

Setzgerät für Befestigungselemente Download PDF

Info

Publication number
EP1093890B1
EP1093890B1 EP00810928A EP00810928A EP1093890B1 EP 1093890 B1 EP1093890 B1 EP 1093890B1 EP 00810928 A EP00810928 A EP 00810928A EP 00810928 A EP00810928 A EP 00810928A EP 1093890 B1 EP1093890 B1 EP 1093890B1
Authority
EP
European Patent Office
Prior art keywords
guide tube
setting tool
feeler
blocking
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00810928A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1093890A2 (de
EP1093890A3 (de
Inventor
Joachim Thieleke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hilti AG
Original Assignee
Hilti AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hilti AG filed Critical Hilti AG
Publication of EP1093890A2 publication Critical patent/EP1093890A2/de
Publication of EP1093890A3 publication Critical patent/EP1093890A3/de
Application granted granted Critical
Publication of EP1093890B1 publication Critical patent/EP1093890B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/182—Feeding devices
    • B25C1/184—Feeding devices for nails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/188—Arrangements at the forward end of the barrel, e.g. splinter guards, spall minimisers, safety arrangements, silencers, bolt retainers

Definitions

  • the invention relates to a portable, combustion-powered setting tool for fasteners according to the preamble of claim 1.
  • a setting tool has a guide tube for pushing out of the fasteners, which are laterally inserted into the guide tube through a cutout.
  • a piston rod of a piston is driven into the guide tube, which acts on the fastener.
  • a piston plate attached to the piston rod communicates with a combustion chamber in which the driving energy is provided by igniting a suitable combustible gas mixture, for example an air / fuel gas mixture.
  • a pressure sleeve is often used in setting tools of this type, which is arranged axially displaceably on the guide tube.
  • a setting process ie a driving a fastener into an object can only be done when the setting tool has been pressed against the object.
  • the pressure sleeve is moved against spring pressure relative to the guide tube axially to the rear.
  • the pressure sleeve is in this shift in interaction with mechanical locks and / or mechanical or electrical switches that allow actuation of a trigger or triggering the drive energy only when the pressure sleeve has been pressed by a defined minimum.
  • setting tools of this type are often equipped with magazines and have additional blocking functions in order to check whether a magazine is mounted, if the number of fastening elements in the magazine is sufficient, or if the fastening elements are correctly positioned in the magazine or in the guide tube before a setting process can be executed.
  • the fasteners are expediently in Element strips or belt form pre-assembled and are introduced in this state in the magazine. The feed in the magazine by means of spring pressure, so that in each case the next fastener enters the guide tube and can then be driven into the article.
  • US 3,606,128 describes a setting tool for fasteners.
  • the fasteners are inserted through a cutout in a guide tube.
  • This guide tube is a sensor arranged opposite, wherein the penetration depth of the probe is reduced by an inserted into the guide tube fastener.
  • the invention has for its object to provide a setting device of the type mentioned, in which the o. G. Interlock functions can be queried with simple means.
  • a portable, combustion-powered setting tool for fasteners is inventively characterized in that the pawl cuts a displacement of a guided on the guide tube pressure sleeve, wherein a setting operation enabling displacement of the pressure sleeve of the depth of engagement of the probe in the guide tube is dependent.
  • Based on the depth of engagement of the probe can be determined whether ever a fastener has been introduced into the guide tube, and if so, whether this has been correctly positioned. If there is no fastener in the guide tube or this has not been pushed far enough from the magazine coming into the guide tube, so the probe can reach into the guide tube so far that the implementation of a setting process or the triggering of an associated ignition of the combustible gas mixture in the combustion chamber is not possible. The operation of the setting device is thus blocked until a fastener has been properly positioned in the guide tube, which corresponds to a minimum depth of engagement of the probe in the guide tube.
  • the senor is a portion of a pivotable pawl, preferably in one of the central axis
  • the level contained in the guide tube is pivotable.
  • the pawl may be pivotable about an axis perpendicular to this plane extending axis and pointing in the direction of the free end of the guide tube locking edge for slidably mounted on the guide tube pressure sleeve.
  • the sensor of the pawl engages only minimally in the guide tube and allows further displacement of the pressure sleeve to the rear end of the setting device when pressure of the pressure sleeve from the front, so that now an ignition of the setting device is possible ,
  • the pawl between its locking edge and its sensor have an obliquely to the guide tube extending edge over which the pressure sleeve pivots on movement of the pawl to the probe from the guide tube.
  • the pawl is preferably biased by spring force in the direction of the guide tube, so that it is pushed back into the guide tube after expulsion of the fastener from the guide tube and after retraction of the piston rod.
  • FIG. 1 A side view of the setting tool according to the invention is shown in FIG. It is provided with the reference numeral 1 and has a housing 2, from the front of a guide tube 3 and a pressure sleeve 4 protrude.
  • the pressure sleeve 4 is slidably mounted concentrically on the guide tube 3 and displaceable against spring pressure into the interior of the housing 2, when the setting tool 1 is pressed with the pressure sleeve 4 against an object into which the fastener is to be driven. If the pressure sleeve 4 reaches a rear end position, a locking of the setting device is released and a driving operation of the fastening element can begin by a trigger 5 or trigger is actuated.
  • a combustion chamber combustible Gas mixture for example, an air / fuel gas mixture are ignited by means of an electric igniter to drive a piston plate which is connected to a piston rod, which is driven into the guide tube 3 to push out the fastener lying in it from the guide tube 3.
  • Fasteners are in the form of element strips or in belt form interconnected within a magazine 6, which is supported by a front portion of the setting device 1 on the one hand and by a handle 7 of the setting device 1 on the other.
  • FIG. 2 shows, on the basis of a longitudinal section, the more precise structure of the setting tool 1 in its front part.
  • an inner channel 8 of the guide tube 3 is aligned with a piston rod 9 which can be driven into the inner channel 8.
  • the piston rod 9 is connected at its rear end with a piston plate in connection, which in turn has connection with a combustion chamber, not shown, for receiving an air / fuel gas mixture. If the trigger 5 is actuated, under certain conditions, this air / fuel gas mixture can be ignited by means of an electric ignition device, so that then the piston rod 9 is shot into the inner channel 8. In this case, it takes a positioned in the inner channel 8 fastener 10, which is thereby pushed out of the guide tube 3.
  • the magazine 6 In the magazine 6 are many belt-shaped interconnected fasteners 10. These are, for example, to nails, each carrying a plastic collar 11 in its head area. About this plastic collar, the fasteners 10 are connected together.
  • a biased by spring pressure device 12 which is located in the magazine 6, the belt is biased by fasteners 10 in the direction of the guide tube 3, so that always the respective forwardmost fastener 10 through a cutout 13 in the wall of the guide tube 3 therethrough is pressed into the inner channel 8.
  • a front head portion 14 of the magazine 6 is suitably inserted through which the fasteners 10 pass into the inner channel 8.
  • a stop is provided which, when the pressure device 12 has been moved against the stop, receives the feed spring force for the pressure device 12.
  • Figure 2 further reveals that the cutout 13 opposite another cutout 15 in the wall of the guide tube 3 is present.
  • This cutout 15 is located approximately opposite the collar 11 of the fastening elements 10. It is located in the rear region of the guide tube 3 and the head part 14.
  • a plate-shaped pawl 16 lies with its plane in a central axis of the guide tube 3 receiving plane and is pivotable in this, about a pivot axis 17 which is perpendicular to this level runs.
  • the individual fasteners 10 are supplied to the inner channel 8, wherein the supplied fasteners 10 come to lie parallel to the central axis of the guide tube 3.
  • the named plane is the drawing plane in FIG.
  • the pivot axis 17 is mounted on the outside of the guide tube 3, and that at a connected to the guide tube 3 radial projection 18.
  • the pawl 16 is thus also outside the guide tube 3 and has a free end, which in the direction of the mouth the guide tube 3 has.
  • This sensor portion 19 is formed in the direction of the guide tube 3 so long that it projects into the inner channel 8 when the pawl 16 with its free end, for example, on the peripheral edge of the in the guide tube 3 existing further cut 15 comes to rest.
  • the pawl 16 is constantly pivoted about the axis 17 by a compression spring 20 in the direction of the guide tube 3.
  • the pressure sleeve 4 can not turn the pawl 16 clockwise in Figure 2 about the pivot axis 17 even with increased pressure action, since in this case, a self-locking of the pawl 16 occurs.
  • the pressure sleeve 4 is applied in this case, the pawl 16 in a point that comes to rest in Figure 2 below the central axis of the central axis of the pivot axis 17.
  • FIGS. 3 to 5 show the operation of the pawl in various positions of a fastening element 10 introduced into the inner channel 8 or in different positions of the pressure sleeve 4.
  • Figure 3 relates to the case that the fastener 10 is not far enough in the inner channel 8 of the guide tube 3 by the pressure device 12 of the magazine 6 has been introduced.
  • the pawl 16 can now turn so far clockwise about the pivot axis 17 in Figure 3, that it comes to lie in the direction of the mouth of the guide tube 3 facing free end in the movement path of the pressure sleeve 4.
  • the pointing in the direction of the mouth of the guide tube 3 edge at the free end of the pawl 16 in the movement path of the pressure sleeve 4 said edge, which carries the reference numeral 21, is now approximately perpendicular to the guide tube 3.
  • the pressure sleeve 4 can thus not be moved into its rearmost end position or unlocking position, so that ignition of the working device is not possible.
  • Figure 4 relates to the case that the fastener 10 is properly positioned within the inner channel 8, that is on the central longitudinal axis.
  • the sensor portion 19 of the pawl 16 is now pressed against the force of the spring 20 through the collar 11 upwards, so that the pawl 16 is pivoted counterclockwise about the pivot axis 17.
  • the front edge 21 of the pawl 16 is therefore pivoted out of the path of movement of the pressure sleeve 4, so that the pressure sleeve 4 can be further pressed in the direction of its rear end position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Automatic Assembly (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
EP00810928A 1999-10-19 2000-10-10 Setzgerät für Befestigungselemente Expired - Lifetime EP1093890B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19950349 1999-10-19
DE19950349A DE19950349B4 (de) 1999-10-19 1999-10-19 Setzgerät für Befestigungselemente

Publications (3)

Publication Number Publication Date
EP1093890A2 EP1093890A2 (de) 2001-04-25
EP1093890A3 EP1093890A3 (de) 2004-05-26
EP1093890B1 true EP1093890B1 (de) 2007-01-17

Family

ID=7926167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00810928A Expired - Lifetime EP1093890B1 (de) 1999-10-19 2000-10-10 Setzgerät für Befestigungselemente

Country Status (7)

Country Link
US (1) US6708860B1 (zh)
EP (1) EP1093890B1 (zh)
JP (1) JP2001138264A (zh)
KR (1) KR20010050039A (zh)
DE (2) DE19950349B4 (zh)
ES (1) ES2278586T3 (zh)
TW (1) TW495421B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101287576B (zh) * 2005-09-15 2012-01-04 伊利诺斯工具制品有限公司 可调节驱动深度的组件及紧固件驱动工具

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DE10351419B4 (de) * 2003-11-04 2006-04-27 Hilti Ag Setzgerät
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US6913179B1 (en) * 2004-01-21 2005-07-05 Nailermate Enterprise Corporation Safety device for locking the safety bar of pneumatic nailers
US6908021B1 (en) * 2004-02-04 2005-06-21 Nailermate Enterprise Corp. Safety catch mechanism of nail guns
US6966477B1 (en) * 2004-11-15 2005-11-22 Basso Industry Corp Safety device for preventing a nailer from dry firing
CN100374249C (zh) * 2005-01-07 2008-03-12 力肯实业股份有限公司 打钉枪空钉制动装置
US7255256B2 (en) * 2005-03-03 2007-08-14 Stanley Fastening Systems, L.P. Finish nailer with contoured contact trip foot
KR200389873Y1 (ko) * 2005-04-20 2005-07-18 제일타카 주식회사 타카장치의 네일 낙하방지부재
US7150385B1 (en) * 2005-11-23 2006-12-19 De Poan Pneumatic Corp. Braking mechanism for nail driver
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US7571844B2 (en) * 2006-01-26 2009-08-11 Sigma Tool & Machine, A Partnership Between Sigma Tool & Machine Ltd. And Sigma Fasteners, Ltd. Pneumatic hand tool for inserting t-nuts
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DE202008016727U1 (de) * 2008-12-10 2009-04-30 Hilti Aktiengesellschaft Corporate Intellectual Property Freischaltadapter für Einzelsetzungen mit handgeführten Setzgeräten
CN201493818U (zh) * 2009-07-17 2010-06-02 南京德朔实业有限公司 打钉枪
DE102010030091A1 (de) * 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
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US20130193182A1 (en) * 2012-02-01 2013-08-01 Samson Power Tool Co., Ltd. Nail guiding device for coil nailer
FR2993810B1 (fr) * 2012-07-25 2014-07-11 Illinois Tool Works Outil de fixation par tir indirect, a support de detente anti-tir
WO2014093986A2 (en) * 2012-12-14 2014-06-19 Ssp Fittings Corp. System including cartridge, catridge feed system, pre-swaging assembly, tube bender, cutting and deburring station, and air blower/ vacuum chip collector
TWI458605B (zh) * 2013-08-09 2014-11-01 Basso Ind Corp A nail device for a nail gun
TWI481482B (zh) * 2013-10-07 2015-04-21 Basso Ind Corp A nail is not a nail
CN203566643U (zh) * 2013-11-21 2014-04-30 浙江荣鹏气动工具有限公司 一种快卸式三合一气动斜钉枪
DE102014016688A1 (de) 2014-11-11 2016-05-12 Fischer Automotive Systems Gmbh & Co. Kg Bolzensetzgerät mit einem Magazin für Befestigungselemente und Befestigungselemente für das Bolzensetzgerät
JP6524650B2 (ja) * 2014-11-28 2019-06-05 工機ホールディングス株式会社 打込機
EP3184255A1 (de) * 2015-12-22 2017-06-28 HILTI Aktiengesellschaft Brennkraftbetriebenes setzgerät und verfahren zum betreiben eines derartigen setzgeräts
CN106393002A (zh) * 2016-11-14 2017-02-15 宜宾市南溪区鑫盛技术开发有限公司 应用于射钉器上的射钉定位装置
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Also Published As

Publication number Publication date
US6708860B1 (en) 2004-03-23
KR20010050039A (ko) 2001-06-15
TW495421B (en) 2002-07-21
DE19950349A1 (de) 2001-05-03
DE50013968D1 (de) 2007-03-08
DE19950349B4 (de) 2006-07-27
EP1093890A2 (de) 2001-04-25
ES2278586T3 (es) 2007-08-16
JP2001138264A (ja) 2001-05-22
EP1093890A3 (de) 2004-05-26

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